Home / 85,630,540.50-118,170,207.54-46,472,307.12

Finding the Fourth Proportional to 85,630,540.50, 118,170,207.54 and 46,472,307.12

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Solution

The fourth proportional to 85,630,540.50, 118,170,207.54 and 46,472,307.12 is: 64,131,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630,540.50 : 118,170,207.54 = 46,472,307.12 : x
  2. Step 2: Convert to fraction form
    85,630,540.50/118,170,207.54 = 46,472,307.12/x
  3. Step 3: Cross multiply
    85,630,540.50x = 118,170,207.54 × 46,472,307.12
  4. Step 4: Simplify right side
    85,630,540.50x = 5,491,642,177,233,020
  5. Step 5: Solve for x
    x = 5,491,642,177,233,020/85,630,540.50
  6. Step 6: Final answer
    x = 64,131,817.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.